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Test Engineer

Lumentum

On-site
Pathumthani, Thailand
Full-time
Senior
5+ yrs
Salary not listedPosted 4w ago

Real job — pulled straight from Lumentum’s careers page · Verified July 15, 2026 · No reposts.

Job description

Lumentum is hiring a Test Engineer — a full-time, based in Pathumthani, Thailand role. Apply directly on Lumentum's careers page below.

Test Engineer

Location: Thailand - Pathumthani (Navanakorn)

Time Type: Full time

Job Description

It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

About Lumentum

Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation communications. Built on decades of photonics innovation, Lumentum delivers high-performance lasers, modules, and optical subsystems that enable scalable, energy-efficient data center connectivity, advanced telecom networks, industrial manufacturing, and sensing applications. Headquartered in San Jose, California, the company operates R&D, manufacturing, and sales facilities worldwide.

Learn more at www.lumentum.com

Lumentum is seeking an experienced Test Engineer to join the Communication and Commercial Optical Products business unit. In this role the candidate will be responsible for determining most effective ways to test advanced optical components through focus on new testing systems and processes using hardware, software, real time data acquisition, and programming knowledge. The candidate will interface with different groups within Lumentum, including product engineers, R&D engineers, equipment engineers, manufacturing process engineers, to maintain and improve legacy and new product introductions.

The successful candidate should be self-motivated, a creative thinker, exhibit drive for success, be process and systems oriented, hands on, manage with clear and concise data, and work well within a cross-function team.

In this role, the candidate will also:

  • Work closely with internal and offshore teams to develop and implement test processes and systems into existing production environment.

  • Design test process and create work instruction.

  • Improve yield, efficiency, and cycle time (HPU).

  • Drive automation and eliminate manual tasks.

  • Develop new and modify existing test hardware and software to meet product requirements.

  • Analyze, debug, and recommend corrective actions for test related issues on manufacturing floor.

Requirements

  • Bachelors in telecommunication, electrical engineering or related field.

  • At least 5 years experience with Test Engineering in a fast-paced electronics manufacturing environment.

  • Knowledge on circuit diagram and electronic component.

  • Experience on Measurement System Analysis (MSA), GR&R and Correlation.

  • Data analysis and report preparation skills.

  • Knowledge and experience with manufacturing (assembly and testing) of high-end OSFP.

  • Demonstrated skills/knowledge of complex PCBAs, TOSA, ROSA and PAM4.

  • Experience in the setup and configuration of electronic and optical test sets and equipment is essential.

  • Ability to work and communicate orally and in writing in English and Thai.

  • Demonstrated ability to work across geographical boundaries on a worldwide basis with R&D and Manufacturing groups.

  • Knowledge and experience in test and testing programming in .NET.

  • Proven ability to work without direct supervision.

  • Hands-on debug skills of mixed analog/digital PCBA’s and optical assemblies.

  • C# and LabView programming, test automation, Minitab/JMP skills is a plus.

  • Willingness to work on a flexible schedule and occasional overseas travel.

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.

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Frequently asked questions

What skills are required for Test Engineer at Lumentum?

The required skills for Test Engineer at Lumentum include: .NET, C#, LabVIEW.

What is the seniority level for Test Engineer at Lumentum?

Test Engineer at Lumentum is a Senior level position.

How do I apply for Test Engineer at Lumentum?

You can view the full description and apply for Test Engineer at Lumentum on EchoJobs: https://echojobs.io/job/lumentum-test-engineer-vez7x.